ur-continent

名词 n.
中文释义

英文释义

名词 n.
  1. An original or primordial continent or landmass.
    — The second group of convection currents operated in the upper half of the mantle only, split the ur-continent and carried North and South America away from Eurasia, explaining the similarity in the two coastlines—[…]
  2. Pangaea

词形变化

ur-continents plural Ur continent alternative

词源

Borrowed from German Urkontinent, coined by Alfred Wegener, equivalent to ur- + continent.
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